| RCIRF | radiologic contrast-induced renal failure |
|---|---|
| RIM | radioisotope medicine; recurrent induced malaria; relative-intensity measure |
| SIS | semantic indexing system; serotinin irritation syndrome; simian sarcoma; simulator-induced syndrome;... |
| SIWIP | self-induced water intoxication and psychosis |
| SIWIS | self-induced water intoxication and schizophrenic disorders |